TruTV continues to step up its slate of comedy series with its first scripted show. Those Who Can’t is a Denver-based sitcom starring Grawlix troupe comedians Ben Roy, Adam Cayton-Holland and Andrew Orvedahl. The trio play immature teachers at Denver’s fictional Buchanan High School. Those Who Can’t began as an Amazon Studios pilot before TruTV bought the rights and reordered a new pilot. The network has since ordered 10 episodes